<%--
  Created by IntelliJ IDEA.
  User: WIzarder
  Date: 2021/5/31
  Time: 16:21
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
        <%
            pageContext.setAttribute("key1","value1");
            request.setAttribute("key1","value2");
            session.setAttribute("key1","value3");
            application.setAttribute("key1","value4");
        %>
        ${pageScope.key1}<br/>
        ${requestScope.key1}<br/>
        ${sessionScope.key1}<br/>
        ${applicationScope.key1}<br/>
</body>
</html>
